local host can't be zero, that's a broadcast

SCCS-vsn: sys/net/if_loop.c 4.18

diff --git a/usr/src/sys/net/if_loop.c b/usr/src/sys/net/if_loop.c
index b78e001..71e17c6 100644 (file)
--- a/usr/src/sys/net/if_loop.c
+++ b/usr/src/sys/net/if_loop.c
@@ -1,4 +1,4 @@
-/*     if_loop.c       4.17    83/05/15        */
+/*     if_loop.c       4.18    83/05/27        */

 
 /*
  * Loopback interface driver for protocol testing and timing.
 
 /*
  * Loopback interface driver for protocol testing and timing.


@@ -24,6 +24,7 @@
 #endif
 
 #define        LONET   127
 #endif
 
 #define        LONET   127

+#define        LOHOST  1                       /* can't be 0, that's broadcast */

 #define        LOMTU   (1024+512)
 
 struct ifnet loif;
 #define        LOMTU   (1024+512)
 
 struct ifnet loif;


@@ -37,9 +38,10 @@ loattach()
        ifp->if_name = "lo";
        ifp->if_mtu = LOMTU;
        ifp->if_net = LONET;
        ifp->if_name = "lo";
        ifp->if_mtu = LOMTU;
        ifp->if_net = LONET;

+       ifp->if_host[0] = LOHOST;

        sin = (struct sockaddr_in *)&ifp->if_addr;
        sin->sin_family = AF_INET;
        sin = (struct sockaddr_in *)&ifp->if_addr;
        sin->sin_family = AF_INET;

-       sin->sin_addr = if_makeaddr(ifp->if_net, 0);
+       sin->sin_addr = if_makeaddr(ifp->if_net, LOHOST);

        ifp->if_flags = IFF_UP;
        ifp->if_output = looutput;
        if_attach(ifp);
        ifp->if_flags = IFF_UP;
        ifp->if_output = looutput;
        if_attach(ifp);